¿ìè¶ÌÊÓÆµ Live'What have insects ever done for us,' asks George McGavin Insects hold the key to our survival and we need to realise this before it’s too late, entomologist George McGavin will argue at ¿ìè¶ÌÊÓÆµ Live next month ¿ìè¶ÌÊÓÆµ Promotions
EnvironmentButterfly numbers fell by one-third in the US over past two decades Butterfly numbers have dropped by one-third in the US over 20 years because of climate change and habitat destruction – and other insects may be declining too ¿ìè¶ÌÊÓÆµ